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6.6: Geological Activity and Earthquakes- Challenge 1

  • Page ID
    5406
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    1. ___ is the type of stress that occurs at a transform boundary, which causes earthquakes.
    Shearing
    2. Why don't rocks deform under confining stress?
    Space is too limited
    3. Compressional stress ___.
    decreases the space a rock takes up
    4. Sedimentary rocks contain important information about ___.
    the geological history of an area
    5. As a rule, ___ rocks form in horizontal layers.
    sedimentary
    6. A ___ is a three-dimensional syncline.
    basin
    7. ___, which bend downward and have the youngest rocks in the center, and ___, which bend upward and have the oldest rocks in the center, are often found adjacent to each other.
    Synclines; anticlines
    8. The Michigan Basin is made by rock bent ___.
    downward
    9. A fracture with no movement on either side is a ___.
    joint
    10. The hanging wall drops down relative to the footwall in a ___.
    normal fault
    11. The Andes Mountains grow as the ___ subducts beneath the South American Plate.
    Nazca Plate
    12. ___ is a continental volcanic arc.
    The Cascades
    13. Mountain formation is associated with ___.
    faulting, folding, and plate tectonics

    6.6: Geological Activity and Earthquakes- Challenge 1 is shared under a CK-12 license and was authored, remixed, and/or curated by CK-12 Foundation via source content that was edited to conform to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

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